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O.S.Engines MAX-B21 WITH EFRA 2089 COMBO SET

O.S.Engines MAX-B21 WITH EFRA 2089 COMBO SET


Price
349,95 + delivery costs
Incl. VAT 25.5 %


Quantity
pc


Currently not in stock. Delivery time approximately 3 - 15 day(s).
Store Vaasa0 pcs, pickup only
Store Vantaa0 pcs
Available in the webstore0 pcs

Product code
OS1EG01
Bar code
4531028027053
Availability
Approximately 3 - 15 day(s) from the order, at the earliest 24.12.2025. The reliability of the estimation is good.

Detailed availability
Notify me when this product is in stock again


Product description

This is the O.S. 21XR-B Ver.2 club-level nitro GT and off-road engine with the EFRA 2089 pipe
The power plant targets club level drivers and it features the 21J3 3-needle carburettor with 7mm and 8mm venturi inserts.

Tech specifications:

Displacement: 3.49 cc
Bore: 16.27mm
Stroke: 16.80mm
Intake ports: 3-port
Practical RPM range: 4,000 – 40,000 rpm
Max. power output: 2.42 hp / 34,000 rpm
Weight: 380Gr


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Brand

O.S.Engines
O.S.Engines
2954 products